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CLASS Observations of Atmospheric Cloud Polarization at millimeter Wavelengths

  • Authors: Yunyang Li, 云炀 李, John W. Appel, Charles L. Bennett, Ricardo Bustos, David T. Chuss, Joseph Cleary, Jullianna Denes Couto, Sumit Dahal, Rahul Datta, Rolando Dünner, Joseph R. Eimer, Thomas Essinger-Hileman, Kathleen Harrington, Jeffrey Iuliano, Tobias A. Marriage, Matthew A. Petroff, Rodrigo A. Reeves, Karwan Rostem, Rui Shi, 瑞 时, Deniz A. N. Valle, Duncan J. Watts, Oliver F. Wolff, Edward J. Wollack, Zhilei Xu, 智磊 徐

Yunyang Li et al 2023 The Astrophysical Journal 958 .

  • Provider: AAS Journals

Caption: Figure 13.

Polarization amplitude ratio between the 220 and 150 GHz scaled by the Rayleigh scattering spectrum. The histograms on the right panel are weighted by the observation time of each cloud event. The black points correspond to the Rayleigh model, i.e., the 220/150 GHz ratios are divided by (220/148.2)4. The blue points additionally account for the liquid water absorption, where the absorption term is fit jointly with 90, 150, and 220 GHz data for each sample assuming the R-abs model at cloud temperature −15 °C.

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